Getting virtual reality (VR) to look great was the easy part. Now, it’s up to researchers and developers to make it feel human, said Epic Games CTO Kim Libreri during an interview with Variety on the sidelines of the Game Developer Conference in San Francisco on Wednesday, asking: “We can make a really good-looking digital human — but when do we give it a brain?” Libreri argued that it’s essential for VR to make human characters more believable. One solution to that could be to live stream actors into a virtual world, something that he compared to a kind of theater performance for VR headsets. Epic, which is best known for its Unreal game engine, demonstrated advances in motion capture as part of its press briefing Wednesday. To introduce Ninja Theory’s new “Hellblade” game,…